05452837 is referenced by 605 patents and cites 10 patents.

An improved surgical stapler is disclosed having a tissue gripping ridge on at least one of the tissue contacting surfaces. The tissue contact surfaces are preferably displayed on both the anvil and the cartridge surfaces of the surgical stapler. The tissue gripping ridges preferably have serrated surfaces which mesh when in contact with each other to hold the tissue.

The preferred embodiment of this invention describes the tissue gripping ridges along the periphery of the anvil and cartridge tissue contact surfaces. Another embodiment describes the tissue gripping ridges adjacent to the longitudinal knife slot.

Title
Surgical stapler with tissue gripping ridge
Application Number
184804
Publication Number
5452837
Application Date
December 5, 1994
Publication Date
September 26, 1995
Inventor
Leo J Nolan
Cincinnati
OH, US
Warren P Williamson IV
Loveland
OH, US
Agent
Matthew S Goodwin
Assignee
Ethicon Endo Surgery
OH, US
IPC
A61B 17/068
View Original Source